Home / 38,881.02-58,330.79-12,585.76

Finding the Fourth Proportional to 38,881.02, 58,330.79 and 12,585.76

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Solution

The fourth proportional to 38,881.02, 58,330.79 and 12,585.76 is: 18,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.02 : 58,330.79 = 12,585.76 : x
  2. Step 2: Convert to fraction form
    38,881.02/58,330.79 = 12,585.76/x
  3. Step 3: Cross multiply
    38,881.02x = 58,330.79 × 12,585.76
  4. Step 4: Simplify right side
    38,881.02x = 734,137,323.55
  5. Step 5: Solve for x
    x = 734,137,323.55/38,881.02
  6. Step 6: Final answer
    x = 18,881.64

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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.