Home / 55,988.08-77,263.55-30,837.58

Finding the Fourth Proportional to 55,988.08, 77,263.55 and 30,837.58

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Solution

The fourth proportional to 55,988.08, 77,263.55 and 30,837.58 is: 42,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.08 : 77,263.55 = 30,837.58 : x
  2. Step 2: Convert to fraction form
    55,988.08/77,263.55 = 30,837.58/x
  3. Step 3: Cross multiply
    55,988.08x = 77,263.55 × 30,837.58
  4. Step 4: Simplify right side
    55,988.08x = 2,382,620,556.86
  5. Step 5: Solve for x
    x = 2,382,620,556.86/55,988.08
  6. Step 6: Final answer
    x = 42,555.86

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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.