Home / 56,050.06-77,346.03-30,897.58

Finding the Fourth Proportional to 56,050.06, 77,346.03 and 30,897.58

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Solution

The fourth proportional to 56,050.06, 77,346.03 and 30,897.58 is: 42,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050.06 : 77,346.03 = 30,897.58 : x
  2. Step 2: Convert to fraction form
    56,050.06/77,346.03 = 30,897.58/x
  3. Step 3: Cross multiply
    56,050.06x = 77,346.03 × 30,897.58
  4. Step 4: Simplify right side
    56,050.06x = 2,389,805,149.61
  5. Step 5: Solve for x
    x = 2,389,805,149.61/56,050.06
  6. Step 6: Final answer
    x = 42,636.98

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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.