Home / 64,412.16-88,890.30-36,117.24

Finding the Fourth Proportional to 64,412.16, 88,890.30 and 36,117.24

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Solution

The fourth proportional to 64,412.16, 88,890.30 and 36,117.24 is: 49,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,412.16 : 88,890.30 = 36,117.24 : x
  2. Step 2: Convert to fraction form
    64,412.16/88,890.30 = 36,117.24/x
  3. Step 3: Cross multiply
    64,412.16x = 88,890.30 × 36,117.24
  4. Step 4: Simplify right side
    64,412.16x = 3,210,472,298.77
  5. Step 5: Solve for x
    x = 3,210,472,298.77/64,412.16
  6. Step 6: Final answer
    x = 49,842.64

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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.