Home / 38,720.19-53,434.40-22,587.06

Finding the Fourth Proportional to 38,720.19, 53,434.40 and 22,587.06

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Solution

The fourth proportional to 38,720.19, 53,434.40 and 22,587.06 is: 31,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.19 : 53,434.40 = 22,587.06 : x
  2. Step 2: Convert to fraction form
    38,720.19/53,434.40 = 22,587.06/x
  3. Step 3: Cross multiply
    38,720.19x = 53,434.40 × 22,587.06
  4. Step 4: Simplify right side
    38,720.19x = 1,206,925,885.93
  5. Step 5: Solve for x
    x = 1,206,925,885.93/38,720.19
  6. Step 6: Final answer
    x = 31,170.45

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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.