Home / 35,711.36-53,535.36-13,509.20

Finding the Fourth Proportional to 35,711.36, 53,535.36 and 13,509.20

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Solution

The fourth proportional to 35,711.36, 53,535.36 and 13,509.20 is: 20,251.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.36 : 53,535.36 = 13,509.20 : x
  2. Step 2: Convert to fraction form
    35,711.36/53,535.36 = 13,509.20/x
  3. Step 3: Cross multiply
    35,711.36x = 53,535.36 × 13,509.20
  4. Step 4: Simplify right side
    35,711.36x = 723,219,885.31
  5. Step 5: Solve for x
    x = 723,219,885.31/35,711.36
  6. Step 6: Final answer
    x = 20,251.82

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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.