Home / 42,045.89-63,084.02-20,984.27

Finding the Fourth Proportional to 42,045.89, 63,084.02 and 20,984.27

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Solution

The fourth proportional to 42,045.89, 63,084.02 and 20,984.27 is: 31,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.89 : 63,084.02 = 20,984.27 : x
  2. Step 2: Convert to fraction form
    42,045.89/63,084.02 = 20,984.27/x
  3. Step 3: Cross multiply
    42,045.89x = 63,084.02 × 20,984.27
  4. Step 4: Simplify right side
    42,045.89x = 1,323,771,688.02
  5. Step 5: Solve for x
    x = 1,323,771,688.02/42,045.89
  6. Step 6: Final answer
    x = 31,483.98

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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.