Home / 53,828.55-74,280.23-31,165.92

Finding the Fourth Proportional to 53,828.55, 74,280.23 and 31,165.92

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Solution

The fourth proportional to 53,828.55, 74,280.23 and 31,165.92 is: 43,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.55 : 74,280.23 = 31,165.92 : x
  2. Step 2: Convert to fraction form
    53,828.55/74,280.23 = 31,165.92/x
  3. Step 3: Cross multiply
    53,828.55x = 74,280.23 × 31,165.92
  4. Step 4: Simplify right side
    53,828.55x = 2,315,011,705.76
  5. Step 5: Solve for x
    x = 2,315,011,705.76/53,828.55
  6. Step 6: Final answer
    x = 43,007.13

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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.