Home / 31,577.40-47,341.80-17,726.40

Finding the Fourth Proportional to 31,577.40, 47,341.80 and 17,726.40

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Solution

The fourth proportional to 31,577.40, 47,341.80 and 17,726.40 is: 26,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.40 : 47,341.80 = 17,726.40 : x
  2. Step 2: Convert to fraction form
    31,577.40/47,341.80 = 17,726.40/x
  3. Step 3: Cross multiply
    31,577.40x = 47,341.80 × 17,726.40
  4. Step 4: Simplify right side
    31,577.40x = 839,199,683.52
  5. Step 5: Solve for x
    x = 839,199,683.52/31,577.40
  6. Step 6: Final answer
    x = 26,575.96

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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.