Home / 42,135.04-58,145.16-23,271.76

Finding the Fourth Proportional to 42,135.04, 58,145.16 and 23,271.76

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Solution

The fourth proportional to 42,135.04, 58,145.16 and 23,271.76 is: 32,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.04 : 58,145.16 = 23,271.76 : x
  2. Step 2: Convert to fraction form
    42,135.04/58,145.16 = 23,271.76/x
  3. Step 3: Cross multiply
    42,135.04x = 58,145.16 × 23,271.76
  4. Step 4: Simplify right side
    42,135.04x = 1,353,140,208.68
  5. Step 5: Solve for x
    x = 1,353,140,208.68/42,135.04
  6. Step 6: Final answer
    x = 32,114.37

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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.