Home / 40,715.16-56,190.54-22,810.05

Finding the Fourth Proportional to 40,715.16, 56,190.54 and 22,810.05

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Solution

The fourth proportional to 40,715.16, 56,190.54 and 22,810.05 is: 31,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.16 : 56,190.54 = 22,810.05 : x
  2. Step 2: Convert to fraction form
    40,715.16/56,190.54 = 22,810.05/x
  3. Step 3: Cross multiply
    40,715.16x = 56,190.54 × 22,810.05
  4. Step 4: Simplify right side
    40,715.16x = 1,281,709,026.93
  5. Step 5: Solve for x
    x = 1,281,709,026.93/40,715.16
  6. Step 6: Final answer
    x = 31,479.90

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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.