Home / 58,055.72-87,112.80-43,294.28

Finding the Fourth Proportional to 58,055.72, 87,112.80 and 43,294.28

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Solution

The fourth proportional to 58,055.72, 87,112.80 and 43,294.28 is: 64,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,055.72 : 87,112.80 = 43,294.28 : x
  2. Step 2: Convert to fraction form
    58,055.72/87,112.80 = 43,294.28/x
  3. Step 3: Cross multiply
    58,055.72x = 87,112.80 × 43,294.28
  4. Step 4: Simplify right side
    58,055.72x = 3,771,485,954.78
  5. Step 5: Solve for x
    x = 3,771,485,954.78/58,055.72
  6. Step 6: Final answer
    x = 64,963.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.