Home / 48,276.02-66,628.64-28,144.69

Finding the Fourth Proportional to 48,276.02, 66,628.64 and 28,144.69

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Solution

The fourth proportional to 48,276.02, 66,628.64 and 28,144.69 is: 38,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.02 : 66,628.64 = 28,144.69 : x
  2. Step 2: Convert to fraction form
    48,276.02/66,628.64 = 28,144.69/x
  3. Step 3: Cross multiply
    48,276.02x = 66,628.64 × 28,144.69
  4. Step 4: Simplify right side
    48,276.02x = 1,875,242,417.92
  5. Step 5: Solve for x
    x = 1,875,242,417.92/48,276.02
  6. Step 6: Final answer
    x = 38,844.18

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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.