Home / 38,948.66-58,423.02-12,656.06

Finding the Fourth Proportional to 38,948.66, 58,423.02 and 12,656.06

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Solution

The fourth proportional to 38,948.66, 58,423.02 and 12,656.06 is: 18,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.66 : 58,423.02 = 12,656.06 : x
  2. Step 2: Convert to fraction form
    38,948.66/58,423.02 = 12,656.06/x
  3. Step 3: Cross multiply
    38,948.66x = 58,423.02 × 12,656.06
  4. Step 4: Simplify right side
    38,948.66x = 739,405,246.50
  5. Step 5: Solve for x
    x = 739,405,246.50/38,948.66
  6. Step 6: Final answer
    x = 18,984.10

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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.