Home / 35,758.40-53,620.28-20,972.16

Finding the Fourth Proportional to 35,758.40, 53,620.28 and 20,972.16

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Solution

The fourth proportional to 35,758.40, 53,620.28 and 20,972.16 is: 31,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758.40 : 53,620.28 = 20,972.16 : x
  2. Step 2: Convert to fraction form
    35,758.40/53,620.28 = 20,972.16/x
  3. Step 3: Cross multiply
    35,758.40x = 53,620.28 × 20,972.16
  4. Step 4: Simplify right side
    35,758.40x = 1,124,533,091.40
  5. Step 5: Solve for x
    x = 1,124,533,091.40/35,758.40
  6. Step 6: Final answer
    x = 31,448.08

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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.