Home / 77,707.04-116,560.58-21,561.28

Finding the Fourth Proportional to 77,707.04, 116,560.58 and 21,561.28

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Solution

The fourth proportional to 77,707.04, 116,560.58 and 21,561.28 is: 32,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,707.04 : 116,560.58 = 21,561.28 : x
  2. Step 2: Convert to fraction form
    77,707.04/116,560.58 = 21,561.28/x
  3. Step 3: Cross multiply
    77,707.04x = 116,560.58 × 21,561.28
  4. Step 4: Simplify right side
    77,707.04x = 2,513,194,903.13
  5. Step 5: Solve for x
    x = 2,513,194,903.13/77,707.04
  6. Step 6: Final answer
    x = 32,341.92

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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.