Home / 51,235.80-70,685.02-31,085.29

Finding the Fourth Proportional to 51,235.80, 70,685.02 and 31,085.29

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Solution

The fourth proportional to 51,235.80, 70,685.02 and 31,085.29 is: 42,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,235.80 : 70,685.02 = 31,085.29 : x
  2. Step 2: Convert to fraction form
    51,235.80/70,685.02 = 31,085.29/x
  3. Step 3: Cross multiply
    51,235.80x = 70,685.02 × 31,085.29
  4. Step 4: Simplify right side
    51,235.80x = 2,197,264,345.36
  5. Step 5: Solve for x
    x = 2,197,264,345.36/51,235.80
  6. Step 6: Final answer
    x = 42,885.33

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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.