Home / 56,055.39-77,356.13-30,904.89

Finding the Fourth Proportional to 56,055.39, 77,356.13 and 30,904.89

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Solution

The fourth proportional to 56,055.39, 77,356.13 and 30,904.89 is: 42,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.39 : 77,356.13 = 30,904.89 : x
  2. Step 2: Convert to fraction form
    56,055.39/77,356.13 = 30,904.89/x
  3. Step 3: Cross multiply
    56,055.39x = 77,356.13 × 30,904.89
  4. Step 4: Simplify right side
    56,055.39x = 2,390,682,533.95
  5. Step 5: Solve for x
    x = 2,390,682,533.95/56,055.39
  6. Step 6: Final answer
    x = 42,648.58

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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.