Home / 38,980.85-58,470.77-9,398.45

Finding the Fourth Proportional to 38,980.85, 58,470.77 and 9,398.45

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Solution

The fourth proportional to 38,980.85, 58,470.77 and 9,398.45 is: 14,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,980.85 : 58,470.77 = 9,398.45 : x
  2. Step 2: Convert to fraction form
    38,980.85/58,470.77 = 9,398.45/x
  3. Step 3: Cross multiply
    38,980.85x = 58,470.77 × 9,398.45
  4. Step 4: Simplify right side
    38,980.85x = 549,534,707.49
  5. Step 5: Solve for x
    x = 549,534,707.49/38,980.85
  6. Step 6: Final answer
    x = 14,097.55

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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.