Home / 42,130.74-63,191.93-10,965.99

Finding the Fourth Proportional to 42,130.74, 63,191.93 and 10,965.99

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Solution

The fourth proportional to 42,130.74, 63,191.93 and 10,965.99 is: 16,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.74 : 63,191.93 = 10,965.99 : x
  2. Step 2: Convert to fraction form
    42,130.74/63,191.93 = 10,965.99/x
  3. Step 3: Cross multiply
    42,130.74x = 63,191.93 × 10,965.99
  4. Step 4: Simplify right side
    42,130.74x = 692,962,017.63
  5. Step 5: Solve for x
    x = 692,962,017.63/42,130.74
  6. Step 6: Final answer
    x = 16,447.90

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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.