Home / 35,691.32-53,543.06-12,312.28

Finding the Fourth Proportional to 35,691.32, 53,543.06 and 12,312.28

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Solution

The fourth proportional to 35,691.32, 53,543.06 and 12,312.28 is: 18,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.32 : 53,543.06 = 12,312.28 : x
  2. Step 2: Convert to fraction form
    35,691.32/53,543.06 = 12,312.28/x
  3. Step 3: Cross multiply
    35,691.32x = 53,543.06 × 12,312.28
  4. Step 4: Simplify right side
    35,691.32x = 659,237,146.78
  5. Step 5: Solve for x
    x = 659,237,146.78/35,691.32
  6. Step 6: Final answer
    x = 18,470.52

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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.