Home / 34,365.04-51,781.69-28,261.78

Finding the Fourth Proportional to 34,365.04, 51,781.69 and 28,261.78

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Solution

The fourth proportional to 34,365.04, 51,781.69 and 28,261.78 is: 42,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.04 : 51,781.69 = 28,261.78 : x
  2. Step 2: Convert to fraction form
    34,365.04/51,781.69 = 28,261.78/x
  3. Step 3: Cross multiply
    34,365.04x = 51,781.69 × 28,261.78
  4. Step 4: Simplify right side
    34,365.04x = 1,463,442,730.81
  5. Step 5: Solve for x
    x = 1,463,442,730.81/34,365.04
  6. Step 6: Final answer
    x = 42,585.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.