Home / 58,820.76-81,172.40-31,962.78

Finding the Fourth Proportional to 58,820.76, 81,172.40 and 31,962.78

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Solution

The fourth proportional to 58,820.76, 81,172.40 and 31,962.78 is: 44,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.76 : 81,172.40 = 31,962.78 : x
  2. Step 2: Convert to fraction form
    58,820.76/81,172.40 = 31,962.78/x
  3. Step 3: Cross multiply
    58,820.76x = 81,172.40 × 31,962.78
  4. Step 4: Simplify right side
    58,820.76x = 2,594,495,403.46
  5. Step 5: Solve for x
    x = 2,594,495,403.46/58,820.76
  6. Step 6: Final answer
    x = 44,108.50

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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.