Home / 35,776.16-49,370.64-20,668.76

Finding the Fourth Proportional to 35,776.16, 49,370.64 and 20,668.76

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Solution

The fourth proportional to 35,776.16, 49,370.64 and 20,668.76 is: 28,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.16 : 49,370.64 = 20,668.76 : x
  2. Step 2: Convert to fraction form
    35,776.16/49,370.64 = 20,668.76/x
  3. Step 3: Cross multiply
    35,776.16x = 49,370.64 × 20,668.76
  4. Step 4: Simplify right side
    35,776.16x = 1,020,429,909.21
  5. Step 5: Solve for x
    x = 1,020,429,909.21/35,776.16
  6. Step 6: Final answer
    x = 28,522.62

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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.