Home / 38,582.15-57,877.38-12,280.74

Finding the Fourth Proportional to 38,582.15, 57,877.38 and 12,280.74

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Solution

The fourth proportional to 38,582.15, 57,877.38 and 12,280.74 is: 18,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.15 : 57,877.38 = 12,280.74 : x
  2. Step 2: Convert to fraction form
    38,582.15/57,877.38 = 12,280.74/x
  3. Step 3: Cross multiply
    38,582.15x = 57,877.38 × 12,280.74
  4. Step 4: Simplify right side
    38,582.15x = 710,776,994.26
  5. Step 5: Solve for x
    x = 710,776,994.26/38,582.15
  6. Step 6: Final answer
    x = 18,422.43

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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.