Home / 32,718,220.80-49,077,331.20-20,624,985.60

Finding the Fourth Proportional to 32,718,220.80, 49,077,331.20 and 20,624,985.60

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Solution

The fourth proportional to 32,718,220.80, 49,077,331.20 and 20,624,985.60 is: 30,937,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,718,220.80 : 49,077,331.20 = 20,624,985.60 : x
  2. Step 2: Convert to fraction form
    32,718,220.80/49,077,331.20 = 20,624,985.60/x
  3. Step 3: Cross multiply
    32,718,220.80x = 49,077,331.20 × 20,624,985.60
  4. Step 4: Simplify right side
    32,718,220.80x = 1,012,219,249,286,430.88
  5. Step 5: Solve for x
    x = 1,012,219,249,286,430.88/32,718,220.80
  6. Step 6: Final answer
    x = 30,937,478.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.