Home / 58,363.20-87,546.08-20,925.76

Finding the Fourth Proportional to 58,363.20, 87,546.08 and 20,925.76

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Solution

The fourth proportional to 58,363.20, 87,546.08 and 20,925.76 is: 31,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,363.20 : 87,546.08 = 20,925.76 : x
  2. Step 2: Convert to fraction form
    58,363.20/87,546.08 = 20,925.76/x
  3. Step 3: Cross multiply
    58,363.20x = 87,546.08 × 20,925.76
  4. Step 4: Simplify right side
    58,363.20x = 1,831,968,259.02
  5. Step 5: Solve for x
    x = 1,831,968,259.02/58,363.20
  6. Step 6: Final answer
    x = 31,389.10

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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.