Home / 57,320.40-85,980.60-17,877.45

Finding the Fourth Proportional to 57,320.40, 85,980.60 and 17,877.45

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Solution

The fourth proportional to 57,320.40, 85,980.60 and 17,877.45 is: 26,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.40 : 85,980.60 = 17,877.45 : x
  2. Step 2: Convert to fraction form
    57,320.40/85,980.60 = 17,877.45/x
  3. Step 3: Cross multiply
    57,320.40x = 85,980.60 × 17,877.45
  4. Step 4: Simplify right side
    57,320.40x = 1,537,113,877.47
  5. Step 5: Solve for x
    x = 1,537,113,877.47/57,320.40
  6. Step 6: Final answer
    x = 26,816.18

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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.