Home / 42,420.29-63,638.63-16,122.98

Finding the Fourth Proportional to 42,420.29, 63,638.63 and 16,122.98

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Solution

The fourth proportional to 42,420.29, 63,638.63 and 16,122.98 is: 24,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.29 : 63,638.63 = 16,122.98 : x
  2. Step 2: Convert to fraction form
    42,420.29/63,638.63 = 16,122.98/x
  3. Step 3: Cross multiply
    42,420.29x = 63,638.63 × 16,122.98
  4. Step 4: Simplify right side
    42,420.29x = 1,026,044,358.72
  5. Step 5: Solve for x
    x = 1,026,044,358.72/42,420.29
  6. Step 6: Final answer
    x = 24,187.58

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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.