Home / 35,812.53-53,700.23-18,954.68

Finding the Fourth Proportional to 35,812.53, 53,700.23 and 18,954.68

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Solution

The fourth proportional to 35,812.53, 53,700.23 and 18,954.68 is: 28,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.53 : 53,700.23 = 18,954.68 : x
  2. Step 2: Convert to fraction form
    35,812.53/53,700.23 = 18,954.68/x
  3. Step 3: Cross multiply
    35,812.53x = 53,700.23 × 18,954.68
  4. Step 4: Simplify right side
    35,812.53x = 1,017,870,454.46
  5. Step 5: Solve for x
    x = 1,017,870,454.46/35,812.53
  6. Step 6: Final answer
    x = 28,422.19

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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.