Home / 35,535.40-53,303.10-20,736.70

Finding the Fourth Proportional to 35,535.40, 53,303.10 and 20,736.70

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Solution

The fourth proportional to 35,535.40, 53,303.10 and 20,736.70 is: 31,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.40 : 53,303.10 = 20,736.70 : x
  2. Step 2: Convert to fraction form
    35,535.40/53,303.10 = 20,736.70/x
  3. Step 3: Cross multiply
    35,535.40x = 53,303.10 × 20,736.70
  4. Step 4: Simplify right side
    35,535.40x = 1,105,330,393.77
  5. Step 5: Solve for x
    x = 1,105,330,393.77/35,535.40
  6. Step 6: Final answer
    x = 31,105.05

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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.