Home / 30,681.65-42,330.51-25,006.66

Finding the Fourth Proportional to 30,681.65, 42,330.51 and 25,006.66

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Solution

The fourth proportional to 30,681.65, 42,330.51 and 25,006.66 is: 34,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.65 : 42,330.51 = 25,006.66 : x
  2. Step 2: Convert to fraction form
    30,681.65/42,330.51 = 25,006.66/x
  3. Step 3: Cross multiply
    30,681.65x = 42,330.51 × 25,006.66
  4. Step 4: Simplify right side
    30,681.65x = 1,058,544,565.37
  5. Step 5: Solve for x
    x = 1,058,544,565.37/30,681.65
  6. Step 6: Final answer
    x = 34,500.90

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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.