Home / 51,569.64-71,166.02-31,426.60

Finding the Fourth Proportional to 51,569.64, 71,166.02 and 31,426.60

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Solution

The fourth proportional to 51,569.64, 71,166.02 and 31,426.60 is: 43,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569.64 : 71,166.02 = 31,426.60 : x
  2. Step 2: Convert to fraction form
    51,569.64/71,166.02 = 31,426.60/x
  3. Step 3: Cross multiply
    51,569.64x = 71,166.02 × 31,426.60
  4. Step 4: Simplify right side
    51,569.64x = 2,236,506,044.13
  5. Step 5: Solve for x
    x = 2,236,506,044.13/51,569.64
  6. Step 6: Final answer
    x = 43,368.66

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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.