Home / 42,187.54-63,281.85-12,598.60

Finding the Fourth Proportional to 42,187.54, 63,281.85 and 12,598.60

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Solution

The fourth proportional to 42,187.54, 63,281.85 and 12,598.60 is: 18,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.54 : 63,281.85 = 12,598.60 : x
  2. Step 2: Convert to fraction form
    42,187.54/63,281.85 = 12,598.60/x
  3. Step 3: Cross multiply
    42,187.54x = 63,281.85 × 12,598.60
  4. Step 4: Simplify right side
    42,187.54x = 797,262,715.41
  5. Step 5: Solve for x
    x = 797,262,715.41/42,187.54
  6. Step 6: Final answer
    x = 18,898.06

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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.