Home / 56,001.58-77,282.31-30,851.08

Finding the Fourth Proportional to 56,001.58, 77,282.31 and 30,851.08

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Solution

The fourth proportional to 56,001.58, 77,282.31 and 30,851.08 is: 42,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,001.58 : 77,282.31 = 30,851.08 : x
  2. Step 2: Convert to fraction form
    56,001.58/77,282.31 = 30,851.08/x
  3. Step 3: Cross multiply
    56,001.58x = 77,282.31 × 30,851.08
  4. Step 4: Simplify right side
    56,001.58x = 2,384,242,728.39
  5. Step 5: Solve for x
    x = 2,384,242,728.39/56,001.58
  6. Step 6: Final answer
    x = 42,574.56

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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.