Home / 48,018.02-72,027-12,957.66

Finding the Fourth Proportional to 48,018.02, 72,027 and 12,957.66

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Solution

The fourth proportional to 48,018.02, 72,027 and 12,957.66 is: 19,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.02 : 72,027 = 12,957.66 : x
  2. Step 2: Convert to fraction form
    48,018.02/72,027 = 12,957.66/x
  3. Step 3: Cross multiply
    48,018.02x = 72,027 × 12,957.66
  4. Step 4: Simplify right side
    48,018.02x = 933,301,376.82
  5. Step 5: Solve for x
    x = 933,301,376.82/48,018.02
  6. Step 6: Final answer
    x = 19,436.48

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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.