Home / 30,427.70-45,641.55-25,616.30

Finding the Fourth Proportional to 30,427.70, 45,641.55 and 25,616.30

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Solution

The fourth proportional to 30,427.70, 45,641.55 and 25,616.30 is: 38,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,427.70 : 45,641.55 = 25,616.30 : x
  2. Step 2: Convert to fraction form
    30,427.70/45,641.55 = 25,616.30/x
  3. Step 3: Cross multiply
    30,427.70x = 45,641.55 × 25,616.30
  4. Step 4: Simplify right side
    30,427.70x = 1,169,167,637.27
  5. Step 5: Solve for x
    x = 1,169,167,637.27/30,427.70
  6. Step 6: Final answer
    x = 38,424.45

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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.