Home / 62,439.51-86,140.40-40,934.42

Finding the Fourth Proportional to 62,439.51, 86,140.40 and 40,934.42

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Solution

The fourth proportional to 62,439.51, 86,140.40 and 40,934.42 is: 56,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.51 : 86,140.40 = 40,934.42 : x
  2. Step 2: Convert to fraction form
    62,439.51/86,140.40 = 40,934.42/x
  3. Step 3: Cross multiply
    62,439.51x = 86,140.40 × 40,934.42
  4. Step 4: Simplify right side
    62,439.51x = 3,526,106,677.19
  5. Step 5: Solve for x
    x = 3,526,106,677.19/62,439.51
  6. Step 6: Final answer
    x = 56,472.36

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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.