Home / 48,838.47-67,374.36-28,688.91

Finding the Fourth Proportional to 48,838.47, 67,374.36 and 28,688.91

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Solution

The fourth proportional to 48,838.47, 67,374.36 and 28,688.91 is: 39,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,838.47 : 67,374.36 = 28,688.91 : x
  2. Step 2: Convert to fraction form
    48,838.47/67,374.36 = 28,688.91/x
  3. Step 3: Cross multiply
    48,838.47x = 67,374.36 × 28,688.91
  4. Step 4: Simplify right side
    48,838.47x = 1,932,896,950.35
  5. Step 5: Solve for x
    x = 1,932,896,950.35/48,838.47
  6. Step 6: Final answer
    x = 39,577.34

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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.