Home / 55,921.40-83,882.10-31,038.20

Finding the Fourth Proportional to 55,921.40, 83,882.10 and 31,038.20

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Solution

The fourth proportional to 55,921.40, 83,882.10 and 31,038.20 is: 46,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.40 : 83,882.10 = 31,038.20 : x
  2. Step 2: Convert to fraction form
    55,921.40/83,882.10 = 31,038.20/x
  3. Step 3: Cross multiply
    55,921.40x = 83,882.10 × 31,038.20
  4. Step 4: Simplify right side
    55,921.40x = 2,603,549,396.22
  5. Step 5: Solve for x
    x = 2,603,549,396.22/55,921.40
  6. Step 6: Final answer
    x = 46,557.30

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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.