Home / 39,069.18-53,920.35-23,159.70

Finding the Fourth Proportional to 39,069.18, 53,920.35 and 23,159.70

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Solution

The fourth proportional to 39,069.18, 53,920.35 and 23,159.70 is: 31,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.18 : 53,920.35 = 23,159.70 : x
  2. Step 2: Convert to fraction form
    39,069.18/53,920.35 = 23,159.70/x
  3. Step 3: Cross multiply
    39,069.18x = 53,920.35 × 23,159.70
  4. Step 4: Simplify right side
    39,069.18x = 1,248,779,129.90
  5. Step 5: Solve for x
    x = 1,248,779,129.90/39,069.18
  6. Step 6: Final answer
    x = 31,963.28

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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.