Home / 57,188.69-78,921.30-32,038.19

Finding the Fourth Proportional to 57,188.69, 78,921.30 and 32,038.19

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Solution

The fourth proportional to 57,188.69, 78,921.30 and 32,038.19 is: 44,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.69 : 78,921.30 = 32,038.19 : x
  2. Step 2: Convert to fraction form
    57,188.69/78,921.30 = 32,038.19/x
  3. Step 3: Cross multiply
    57,188.69x = 78,921.30 × 32,038.19
  4. Step 4: Simplify right side
    57,188.69x = 2,528,495,604.45
  5. Step 5: Solve for x
    x = 2,528,495,604.45/57,188.69
  6. Step 6: Final answer
    x = 44,213.21

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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.