Home / 40,715.81-56,187.48-22,810.99

Finding the Fourth Proportional to 40,715.81, 56,187.48 and 22,810.99

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Solution

The fourth proportional to 40,715.81, 56,187.48 and 22,810.99 is: 31,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.81 : 56,187.48 = 22,810.99 : x
  2. Step 2: Convert to fraction form
    40,715.81/56,187.48 = 22,810.99/x
  3. Step 3: Cross multiply
    40,715.81x = 56,187.48 × 22,810.99
  4. Step 4: Simplify right side
    40,715.81x = 1,281,692,044.41
  5. Step 5: Solve for x
    x = 1,281,692,044.41/40,715.81
  6. Step 6: Final answer
    x = 31,478.98

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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.