Home / 53,639.68-74,011.98-32,420.14

Finding the Fourth Proportional to 53,639.68, 74,011.98 and 32,420.14

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Solution

The fourth proportional to 53,639.68, 74,011.98 and 32,420.14 is: 44,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639.68 : 74,011.98 = 32,420.14 : x
  2. Step 2: Convert to fraction form
    53,639.68/74,011.98 = 32,420.14/x
  3. Step 3: Cross multiply
    53,639.68x = 74,011.98 × 32,420.14
  4. Step 4: Simplify right side
    53,639.68x = 2,399,478,753.28
  5. Step 5: Solve for x
    x = 2,399,478,753.28/53,639.68
  6. Step 6: Final answer
    x = 44,733.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.