Home / 31,312.02-42,953.20-29,617.22

Finding the Fourth Proportional to 31,312.02, 42,953.20 and 29,617.22

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Solution

The fourth proportional to 31,312.02, 42,953.20 and 29,617.22 is: 40,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.02 : 42,953.20 = 29,617.22 : x
  2. Step 2: Convert to fraction form
    31,312.02/42,953.20 = 29,617.22/x
  3. Step 3: Cross multiply
    31,312.02x = 42,953.20 × 29,617.22
  4. Step 4: Simplify right side
    31,312.02x = 1,272,154,374.10
  5. Step 5: Solve for x
    x = 1,272,154,374.10/31,312.02
  6. Step 6: Final answer
    x = 40,628.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.