Home / 53,688.16-80,504.70-28,401.32

Finding the Fourth Proportional to 53,688.16, 80,504.70 and 28,401.32

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Solution

The fourth proportional to 53,688.16, 80,504.70 and 28,401.32 is: 42,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.16 : 80,504.70 = 28,401.32 : x
  2. Step 2: Convert to fraction form
    53,688.16/80,504.70 = 28,401.32/x
  3. Step 3: Cross multiply
    53,688.16x = 80,504.70 × 28,401.32
  4. Step 4: Simplify right side
    53,688.16x = 2,286,439,746.20
  5. Step 5: Solve for x
    x = 2,286,439,746.20/53,688.16
  6. Step 6: Final answer
    x = 42,587.41

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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.