Home / 52,018.02-71,785.38-28,145.16

Finding the Fourth Proportional to 52,018.02, 71,785.38 and 28,145.16

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Solution

The fourth proportional to 52,018.02, 71,785.38 and 28,145.16 is: 38,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.02 : 71,785.38 = 28,145.16 : x
  2. Step 2: Convert to fraction form
    52,018.02/71,785.38 = 28,145.16/x
  3. Step 3: Cross multiply
    52,018.02x = 71,785.38 × 28,145.16
  4. Step 4: Simplify right side
    52,018.02x = 2,020,411,005.76
  5. Step 5: Solve for x
    x = 2,020,411,005.76/52,018.02
  6. Step 6: Final answer
    x = 38,840.60

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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.