Home / 30,300.48-45,417.60-14,683.20

Finding the Fourth Proportional to 30,300.48, 45,417.60 and 14,683.20

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Solution

The fourth proportional to 30,300.48, 45,417.60 and 14,683.20 is: 22,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.48 : 45,417.60 = 14,683.20 : x
  2. Step 2: Convert to fraction form
    30,300.48/45,417.60 = 14,683.20/x
  3. Step 3: Cross multiply
    30,300.48x = 45,417.60 × 14,683.20
  4. Step 4: Simplify right side
    30,300.48x = 666,875,704.32
  5. Step 5: Solve for x
    x = 666,875,704.32/30,300.48
  6. Step 6: Final answer
    x = 22,008.75

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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.