Home / 56,842.02-85,287.60-30,516

Finding the Fourth Proportional to 56,842.02, 85,287.60 and 30,516

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Solution

The fourth proportional to 56,842.02, 85,287.60 and 30,516 is: 45,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842.02 : 85,287.60 = 30,516 : x
  2. Step 2: Convert to fraction form
    56,842.02/85,287.60 = 30,516/x
  3. Step 3: Cross multiply
    56,842.02x = 85,287.60 × 30,516
  4. Step 4: Simplify right side
    56,842.02x = 2,602,636,401.60
  5. Step 5: Solve for x
    x = 2,602,636,401.60/56,842.02
  6. Step 6: Final answer
    x = 45,787.19

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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.