Home / 47,018.24-64,887.20-28,151.76

Finding the Fourth Proportional to 47,018.24, 64,887.20 and 28,151.76

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Solution

The fourth proportional to 47,018.24, 64,887.20 and 28,151.76 is: 38,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018.24 : 64,887.20 = 28,151.76 : x
  2. Step 2: Convert to fraction form
    47,018.24/64,887.20 = 28,151.76/x
  3. Step 3: Cross multiply
    47,018.24x = 64,887.20 × 28,151.76
  4. Step 4: Simplify right side
    47,018.24x = 1,826,688,881.47
  5. Step 5: Solve for x
    x = 1,826,688,881.47/47,018.24
  6. Step 6: Final answer
    x = 38,850.64

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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.