Home / 48,030.15-72,044.30-21,716.51

Finding the Fourth Proportional to 48,030.15, 72,044.30 and 21,716.51

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Solution

The fourth proportional to 48,030.15, 72,044.30 and 21,716.51 is: 32,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,030.15 : 72,044.30 = 21,716.51 : x
  2. Step 2: Convert to fraction form
    48,030.15/72,044.30 = 21,716.51/x
  3. Step 3: Cross multiply
    48,030.15x = 72,044.30 × 21,716.51
  4. Step 4: Simplify right side
    48,030.15x = 1,564,550,346.88
  5. Step 5: Solve for x
    x = 1,564,550,346.88/48,030.15
  6. Step 6: Final answer
    x = 32,574.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.