Home / 57,297.12-79,068.80-31,802.00

Finding the Fourth Proportional to 57,297.12, 79,068.80 and 31,802.00

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Solution

The fourth proportional to 57,297.12, 79,068.80 and 31,802.00 is: 43,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.12 : 79,068.80 = 31,802.00 : x
  2. Step 2: Convert to fraction form
    57,297.12/79,068.80 = 31,802.00/x
  3. Step 3: Cross multiply
    57,297.12x = 79,068.80 × 31,802.00
  4. Step 4: Simplify right side
    57,297.12x = 2,514,545,700.42
  5. Step 5: Solve for x
    x = 2,514,545,700.42/57,297.12
  6. Step 6: Final answer
    x = 43,886.07

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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.