Home / 40,715.40-56,186.96-22,810.56

Finding the Fourth Proportional to 40,715.40, 56,186.96 and 22,810.56

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Solution

The fourth proportional to 40,715.40, 56,186.96 and 22,810.56 is: 31,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.40 : 56,186.96 = 22,810.56 : x
  2. Step 2: Convert to fraction form
    40,715.40/56,186.96 = 22,810.56/x
  3. Step 3: Cross multiply
    40,715.40x = 56,186.96 × 22,810.56
  4. Step 4: Simplify right side
    40,715.40x = 1,281,655,908.24
  5. Step 5: Solve for x
    x = 1,281,655,908.24/40,715.40
  6. Step 6: Final answer
    x = 31,478.41

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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.