Home / 57,547.05-79,427.18-38,673.24

Finding the Fourth Proportional to 57,547.05, 79,427.18 and 38,673.24

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Solution

The fourth proportional to 57,547.05, 79,427.18 and 38,673.24 is: 53,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.05 : 79,427.18 = 38,673.24 : x
  2. Step 2: Convert to fraction form
    57,547.05/79,427.18 = 38,673.24/x
  3. Step 3: Cross multiply
    57,547.05x = 79,427.18 × 38,673.24
  4. Step 4: Simplify right side
    57,547.05x = 3,071,706,048.47
  5. Step 5: Solve for x
    x = 3,071,706,048.47/57,547.05
  6. Step 6: Final answer
    x = 53,377.30

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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.