Home / 45,612.10-62,703.07-39,215.13

Finding the Fourth Proportional to 45,612.10, 62,703.07 and 39,215.13

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Solution

The fourth proportional to 45,612.10, 62,703.07 and 39,215.13 is: 53,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.10 : 62,703.07 = 39,215.13 : x
  2. Step 2: Convert to fraction form
    45,612.10/62,703.07 = 39,215.13/x
  3. Step 3: Cross multiply
    45,612.10x = 62,703.07 × 39,215.13
  4. Step 4: Simplify right side
    45,612.10x = 2,458,908,531.86
  5. Step 5: Solve for x
    x = 2,458,908,531.86/45,612.10
  6. Step 6: Final answer
    x = 53,909.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.