Home / 38,962.60-58,443.90-31,186.60

Finding the Fourth Proportional to 38,962.60, 58,443.90 and 31,186.60

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Solution

The fourth proportional to 38,962.60, 58,443.90 and 31,186.60 is: 46,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,962.60 : 58,443.90 = 31,186.60 : x
  2. Step 2: Convert to fraction form
    38,962.60/58,443.90 = 31,186.60/x
  3. Step 3: Cross multiply
    38,962.60x = 58,443.90 × 31,186.60
  4. Step 4: Simplify right side
    38,962.60x = 1,822,666,531.74
  5. Step 5: Solve for x
    x = 1,822,666,531.74/38,962.60
  6. Step 6: Final answer
    x = 46,779.90

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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.