Home / 45,557.57-62,866.40-28,561.14

Finding the Fourth Proportional to 45,557.57, 62,866.40 and 28,561.14

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Solution

The fourth proportional to 45,557.57, 62,866.40 and 28,561.14 is: 39,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.57 : 62,866.40 = 28,561.14 : x
  2. Step 2: Convert to fraction form
    45,557.57/62,866.40 = 28,561.14/x
  3. Step 3: Cross multiply
    45,557.57x = 62,866.40 × 28,561.14
  4. Step 4: Simplify right side
    45,557.57x = 1,795,535,908.89
  5. Step 5: Solve for x
    x = 1,795,535,908.89/45,557.57
  6. Step 6: Final answer
    x = 39,412.46

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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.