Home / 57,019.59-78,683.85-31,524.47

Finding the Fourth Proportional to 57,019.59, 78,683.85 and 31,524.47

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Solution

The fourth proportional to 57,019.59, 78,683.85 and 31,524.47 is: 43,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,019.59 : 78,683.85 = 31,524.47 : x
  2. Step 2: Convert to fraction form
    57,019.59/78,683.85 = 31,524.47/x
  3. Step 3: Cross multiply
    57,019.59x = 78,683.85 × 31,524.47
  4. Step 4: Simplify right side
    57,019.59x = 2,480,466,570.45
  5. Step 5: Solve for x
    x = 2,480,466,570.45/57,019.59
  6. Step 6: Final answer
    x = 43,502.01

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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.