Home / 57,038.95-85,512.21-23,783.95

Finding the Fourth Proportional to 57,038.95, 85,512.21 and 23,783.95

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Solution

The fourth proportional to 57,038.95, 85,512.21 and 23,783.95 is: 35,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,038.95 : 85,512.21 = 23,783.95 : x
  2. Step 2: Convert to fraction form
    57,038.95/85,512.21 = 23,783.95/x
  3. Step 3: Cross multiply
    57,038.95x = 85,512.21 × 23,783.95
  4. Step 4: Simplify right side
    57,038.95x = 2,033,818,127.03
  5. Step 5: Solve for x
    x = 2,033,818,127.03/57,038.95
  6. Step 6: Final answer
    x = 35,656.65

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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.