Home / 53,512.13-80,248.14-42,956.21

Finding the Fourth Proportional to 53,512.13, 80,248.14 and 42,956.21

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Solution

The fourth proportional to 53,512.13, 80,248.14 and 42,956.21 is: 64,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.13 : 80,248.14 = 42,956.21 : x
  2. Step 2: Convert to fraction form
    53,512.13/80,248.14 = 42,956.21/x
  3. Step 3: Cross multiply
    53,512.13x = 80,248.14 × 42,956.21
  4. Step 4: Simplify right side
    53,512.13x = 3,447,155,552.71
  5. Step 5: Solve for x
    x = 3,447,155,552.71/53,512.13
  6. Step 6: Final answer
    x = 64,418.21

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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.