Home / 54,064.08-74,592.12-31,398.70

Finding the Fourth Proportional to 54,064.08, 74,592.12 and 31,398.70

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Solution

The fourth proportional to 54,064.08, 74,592.12 and 31,398.70 is: 43,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.08 : 74,592.12 = 31,398.70 : x
  2. Step 2: Convert to fraction form
    54,064.08/74,592.12 = 31,398.70/x
  3. Step 3: Cross multiply
    54,064.08x = 74,592.12 × 31,398.70
  4. Step 4: Simplify right side
    54,064.08x = 2,342,095,669.37
  5. Step 5: Solve for x
    x = 2,342,095,669.37/54,064.08
  6. Step 6: Final answer
    x = 43,320.74

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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.