Home / 42,101.99-63,131.85-14,012.13

Finding the Fourth Proportional to 42,101.99, 63,131.85 and 14,012.13

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Solution

The fourth proportional to 42,101.99, 63,131.85 and 14,012.13 is: 21,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,101.99 : 63,131.85 = 14,012.13 : x
  2. Step 2: Convert to fraction form
    42,101.99/63,131.85 = 14,012.13/x
  3. Step 3: Cross multiply
    42,101.99x = 63,131.85 × 14,012.13
  4. Step 4: Simplify right side
    42,101.99x = 884,611,689.34
  5. Step 5: Solve for x
    x = 884,611,689.34/42,101.99
  6. Step 6: Final answer
    x = 21,011.16

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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.