Home / 38,840.74-58,248.75-12,539.36

Finding the Fourth Proportional to 38,840.74, 58,248.75 and 12,539.36

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Solution

The fourth proportional to 38,840.74, 58,248.75 and 12,539.36 is: 18,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.74 : 58,248.75 = 12,539.36 : x
  2. Step 2: Convert to fraction form
    38,840.74/58,248.75 = 12,539.36/x
  3. Step 3: Cross multiply
    38,840.74x = 58,248.75 × 12,539.36
  4. Step 4: Simplify right side
    38,840.74x = 730,402,045.80
  5. Step 5: Solve for x
    x = 730,402,045.80/38,840.74
  6. Step 6: Final answer
    x = 18,805.05

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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.