Home / 57,017.47-78,681.79-31,522.22

Finding the Fourth Proportional to 57,017.47, 78,681.79 and 31,522.22

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Solution

The fourth proportional to 57,017.47, 78,681.79 and 31,522.22 is: 43,499.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.47 : 78,681.79 = 31,522.22 : x
  2. Step 2: Convert to fraction form
    57,017.47/78,681.79 = 31,522.22/x
  3. Step 3: Cross multiply
    57,017.47x = 78,681.79 × 31,522.22
  4. Step 4: Simplify right side
    57,017.47x = 2,480,224,694.37
  5. Step 5: Solve for x
    x = 2,480,224,694.37/57,017.47
  6. Step 6: Final answer
    x = 43,499.38

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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.