Home / 42,840.45-59,120.55-23,461.06

Finding the Fourth Proportional to 42,840.45, 59,120.55 and 23,461.06

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Solution

The fourth proportional to 42,840.45, 59,120.55 and 23,461.06 is: 32,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840.45 : 59,120.55 = 23,461.06 : x
  2. Step 2: Convert to fraction form
    42,840.45/59,120.55 = 23,461.06/x
  3. Step 3: Cross multiply
    42,840.45x = 59,120.55 × 23,461.06
  4. Step 4: Simplify right side
    42,840.45x = 1,387,030,756.70
  5. Step 5: Solve for x
    x = 1,387,030,756.70/42,840.45
  6. Step 6: Final answer
    x = 32,376.66

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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.