Home / 31,088.64-42,901.64-16,941.60

Finding the Fourth Proportional to 31,088.64, 42,901.64 and 16,941.60

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Solution

The fourth proportional to 31,088.64, 42,901.64 and 16,941.60 is: 23,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.64 : 42,901.64 = 16,941.60 : x
  2. Step 2: Convert to fraction form
    31,088.64/42,901.64 = 16,941.60/x
  3. Step 3: Cross multiply
    31,088.64x = 42,901.64 × 16,941.60
  4. Step 4: Simplify right side
    31,088.64x = 726,822,424.22
  5. Step 5: Solve for x
    x = 726,822,424.22/31,088.64
  6. Step 6: Final answer
    x = 23,379.04

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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.