Home / 45,710.28-63,039.12-28,716.12

Finding the Fourth Proportional to 45,710.28, 63,039.12 and 28,716.12

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Solution

The fourth proportional to 45,710.28, 63,039.12 and 28,716.12 is: 39,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710.28 : 63,039.12 = 28,716.12 : x
  2. Step 2: Convert to fraction form
    45,710.28/63,039.12 = 28,716.12/x
  3. Step 3: Cross multiply
    45,710.28x = 63,039.12 × 28,716.12
  4. Step 4: Simplify right side
    45,710.28x = 1,810,238,934.61
  5. Step 5: Solve for x
    x = 1,810,238,934.61/45,710.28
  6. Step 6: Final answer
    x = 39,602.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.