Home / 57,300.18-85,922.40-19,862.40

Finding the Fourth Proportional to 57,300.18, 85,922.40 and 19,862.40

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Solution

The fourth proportional to 57,300.18, 85,922.40 and 19,862.40 is: 29,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,300.18 : 85,922.40 = 19,862.40 : x
  2. Step 2: Convert to fraction form
    57,300.18/85,922.40 = 19,862.40/x
  3. Step 3: Cross multiply
    57,300.18x = 85,922.40 × 19,862.40
  4. Step 4: Simplify right side
    57,300.18x = 1,706,625,077.76
  5. Step 5: Solve for x
    x = 1,706,625,077.76/57,300.18
  6. Step 6: Final answer
    x = 29,783.94

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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.