Home / 56,812.10-78,406.54-34,158.48

Finding the Fourth Proportional to 56,812.10, 78,406.54 and 34,158.48

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Solution

The fourth proportional to 56,812.10, 78,406.54 and 34,158.48 is: 47,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,812.10 : 78,406.54 = 34,158.48 : x
  2. Step 2: Convert to fraction form
    56,812.10/78,406.54 = 34,158.48/x
  3. Step 3: Cross multiply
    56,812.10x = 78,406.54 × 34,158.48
  4. Step 4: Simplify right side
    56,812.10x = 2,678,248,228.46
  5. Step 5: Solve for x
    x = 2,678,248,228.46/56,812.10
  6. Step 6: Final answer
    x = 47,142.21

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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.