Home / 39,077.12-53,920.33-23,159.00

Finding the Fourth Proportional to 39,077.12, 53,920.33 and 23,159.00

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Solution

The fourth proportional to 39,077.12, 53,920.33 and 23,159.00 is: 31,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.12 : 53,920.33 = 23,159.00 : x
  2. Step 2: Convert to fraction form
    39,077.12/53,920.33 = 23,159.00/x
  3. Step 3: Cross multiply
    39,077.12x = 53,920.33 × 23,159.00
  4. Step 4: Simplify right side
    39,077.12x = 1,248,740,594.97
  5. Step 5: Solve for x
    x = 1,248,740,594.97/39,077.12
  6. Step 6: Final answer
    x = 31,955.80

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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.