Home / 48,807.61-67,313.58-38,720.08

Finding the Fourth Proportional to 48,807.61, 67,313.58 and 38,720.08

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Solution

The fourth proportional to 48,807.61, 67,313.58 and 38,720.08 is: 53,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,807.61 : 67,313.58 = 38,720.08 : x
  2. Step 2: Convert to fraction form
    48,807.61/67,313.58 = 38,720.08/x
  3. Step 3: Cross multiply
    48,807.61x = 67,313.58 × 38,720.08
  4. Step 4: Simplify right side
    48,807.61x = 2,606,386,980.79
  5. Step 5: Solve for x
    x = 2,606,386,980.79/48,807.61
  6. Step 6: Final answer
    x = 53,401.24

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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.