Home / 57,113.10-78,924.51-42,941.34

Finding the Fourth Proportional to 57,113.10, 78,924.51 and 42,941.34

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Solution

The fourth proportional to 57,113.10, 78,924.51 and 42,941.34 is: 59,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113.10 : 78,924.51 = 42,941.34 : x
  2. Step 2: Convert to fraction form
    57,113.10/78,924.51 = 42,941.34/x
  3. Step 3: Cross multiply
    57,113.10x = 78,924.51 × 42,941.34
  4. Step 4: Simplify right side
    57,113.10x = 3,389,124,218.24
  5. Step 5: Solve for x
    x = 3,389,124,218.24/57,113.10
  6. Step 6: Final answer
    x = 59,340.58

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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.