Home / 42,785.36-64,161.60-14,700.16

Finding the Fourth Proportional to 42,785.36, 64,161.60 and 14,700.16

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Solution

The fourth proportional to 42,785.36, 64,161.60 and 14,700.16 is: 22,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,785.36 : 64,161.60 = 14,700.16 : x
  2. Step 2: Convert to fraction form
    42,785.36/64,161.60 = 14,700.16/x
  3. Step 3: Cross multiply
    42,785.36x = 64,161.60 × 14,700.16
  4. Step 4: Simplify right side
    42,785.36x = 943,185,785.86
  5. Step 5: Solve for x
    x = 943,185,785.86/42,785.36
  6. Step 6: Final answer
    x = 22,044.59

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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.