Home / 35,920.83-53,882.76-10,620.40

Finding the Fourth Proportional to 35,920.83, 53,882.76 and 10,620.40

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Solution

The fourth proportional to 35,920.83, 53,882.76 and 10,620.40 is: 15,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.83 : 53,882.76 = 10,620.40 : x
  2. Step 2: Convert to fraction form
    35,920.83/53,882.76 = 10,620.40/x
  3. Step 3: Cross multiply
    35,920.83x = 53,882.76 × 10,620.40
  4. Step 4: Simplify right side
    35,920.83x = 572,256,464.30
  5. Step 5: Solve for x
    x = 572,256,464.30/35,920.83
  6. Step 6: Final answer
    x = 15,931.05

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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.