Home / 42,420.96-58,541.28-23,558.40

Finding the Fourth Proportional to 42,420.96, 58,541.28 and 23,558.40

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Solution

The fourth proportional to 42,420.96, 58,541.28 and 23,558.40 is: 32,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.96 : 58,541.28 = 23,558.40 : x
  2. Step 2: Convert to fraction form
    42,420.96/58,541.28 = 23,558.40/x
  3. Step 3: Cross multiply
    42,420.96x = 58,541.28 × 23,558.40
  4. Step 4: Simplify right side
    42,420.96x = 1,379,138,890.75
  5. Step 5: Solve for x
    x = 1,379,138,890.75/42,420.96
  6. Step 6: Final answer
    x = 32,510.79

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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.