Home / 42,459.35-63,688.93-11,294.60

Finding the Fourth Proportional to 42,459.35, 63,688.93 and 11,294.60

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Solution

The fourth proportional to 42,459.35, 63,688.93 and 11,294.60 is: 16,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.35 : 63,688.93 = 11,294.60 : x
  2. Step 2: Convert to fraction form
    42,459.35/63,688.93 = 11,294.60/x
  3. Step 3: Cross multiply
    42,459.35x = 63,688.93 × 11,294.60
  4. Step 4: Simplify right side
    42,459.35x = 719,340,642.10
  5. Step 5: Solve for x
    x = 719,340,642.10/42,459.35
  6. Step 6: Final answer
    x = 16,941.87

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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.