Home / 42,707.70-64,110.15-25,187.40

Finding the Fourth Proportional to 42,707.70, 64,110.15 and 25,187.40

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Solution

The fourth proportional to 42,707.70, 64,110.15 and 25,187.40 is: 37,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707.70 : 64,110.15 = 25,187.40 : x
  2. Step 2: Convert to fraction form
    42,707.70/64,110.15 = 25,187.40/x
  3. Step 3: Cross multiply
    42,707.70x = 64,110.15 × 25,187.40
  4. Step 4: Simplify right side
    42,707.70x = 1,614,767,992.11
  5. Step 5: Solve for x
    x = 1,614,767,992.11/42,707.70
  6. Step 6: Final answer
    x = 37,809.76

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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.