Home / 42,700.95-64,044.23-13,110.75

Finding the Fourth Proportional to 42,700.95, 64,044.23 and 13,110.75

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Solution

The fourth proportional to 42,700.95, 64,044.23 and 13,110.75 is: 19,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,700.95 : 64,044.23 = 13,110.75 : x
  2. Step 2: Convert to fraction form
    42,700.95/64,044.23 = 13,110.75/x
  3. Step 3: Cross multiply
    42,700.95x = 64,044.23 × 13,110.75
  4. Step 4: Simplify right side
    42,700.95x = 839,667,822.92
  5. Step 5: Solve for x
    x = 839,667,822.92/42,700.95
  6. Step 6: Final answer
    x = 19,663.91

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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.