Home / 55,851.36-77,073.88-30,700.32

Finding the Fourth Proportional to 55,851.36, 77,073.88 and 30,700.32

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Solution

The fourth proportional to 55,851.36, 77,073.88 and 30,700.32 is: 42,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,851.36 : 77,073.88 = 30,700.32 : x
  2. Step 2: Convert to fraction form
    55,851.36/77,073.88 = 30,700.32/x
  3. Step 3: Cross multiply
    55,851.36x = 77,073.88 × 30,700.32
  4. Step 4: Simplify right side
    55,851.36x = 2,366,192,779.64
  5. Step 5: Solve for x
    x = 2,366,192,779.64/55,851.36
  6. Step 6: Final answer
    x = 42,365.89

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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.