Home / 46,131.95-63,666.80-28,238.78

Finding the Fourth Proportional to 46,131.95, 63,666.80 and 28,238.78

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Solution

The fourth proportional to 46,131.95, 63,666.80 and 28,238.78 is: 38,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,131.95 : 63,666.80 = 28,238.78 : x
  2. Step 2: Convert to fraction form
    46,131.95/63,666.80 = 28,238.78/x
  3. Step 3: Cross multiply
    46,131.95x = 63,666.80 × 28,238.78
  4. Step 4: Simplify right side
    46,131.95x = 1,797,872,298.98
  5. Step 5: Solve for x
    x = 1,797,872,298.98/46,131.95
  6. Step 6: Final answer
    x = 38,972.39

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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.