Home / 60,541.48-90,812.64-21,099.36

Finding the Fourth Proportional to 60,541.48, 90,812.64 and 21,099.36

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Solution

The fourth proportional to 60,541.48, 90,812.64 and 21,099.36 is: 31,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,541.48 : 90,812.64 = 21,099.36 : x
  2. Step 2: Convert to fraction form
    60,541.48/90,812.64 = 21,099.36/x
  3. Step 3: Cross multiply
    60,541.48x = 90,812.64 × 21,099.36
  4. Step 4: Simplify right side
    60,541.48x = 1,916,088,583.91
  5. Step 5: Solve for x
    x = 1,916,088,583.91/60,541.48
  6. Step 6: Final answer
    x = 31,649.19

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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.