Home / 55,830.74-77,051.14-30,685.46

Finding the Fourth Proportional to 55,830.74, 77,051.14 and 30,685.46

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Solution

The fourth proportional to 55,830.74, 77,051.14 and 30,685.46 is: 42,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,830.74 : 77,051.14 = 30,685.46 : x
  2. Step 2: Convert to fraction form
    55,830.74/77,051.14 = 30,685.46/x
  3. Step 3: Cross multiply
    55,830.74x = 77,051.14 × 30,685.46
  4. Step 4: Simplify right side
    55,830.74x = 2,364,349,212.46
  5. Step 5: Solve for x
    x = 2,364,349,212.46/55,830.74
  6. Step 6: Final answer
    x = 42,348.52

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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.