Home / 29,349.95-40,501.82-15,920.75

Finding the Fourth Proportional to 29,349.95, 40,501.82 and 15,920.75

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Solution

The fourth proportional to 29,349.95, 40,501.82 and 15,920.75 is: 21,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,349.95 : 40,501.82 = 15,920.75 : x
  2. Step 2: Convert to fraction form
    29,349.95/40,501.82 = 15,920.75/x
  3. Step 3: Cross multiply
    29,349.95x = 40,501.82 × 15,920.75
  4. Step 4: Simplify right side
    29,349.95x = 644,819,491.82
  5. Step 5: Solve for x
    x = 644,819,491.82/29,349.95
  6. Step 6: Final answer
    x = 21,970.04

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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.