Home / 43,689.04-65,522.71-18,726.26

Finding the Fourth Proportional to 43,689.04, 65,522.71 and 18,726.26

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Solution

The fourth proportional to 43,689.04, 65,522.71 and 18,726.26 is: 28,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.04 : 65,522.71 = 18,726.26 : x
  2. Step 2: Convert to fraction form
    43,689.04/65,522.71 = 18,726.26/x
  3. Step 3: Cross multiply
    43,689.04x = 65,522.71 × 18,726.26
  4. Step 4: Simplify right side
    43,689.04x = 1,226,995,420.39
  5. Step 5: Solve for x
    x = 1,226,995,420.39/43,689.04
  6. Step 6: Final answer
    x = 28,084.74

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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.