Home / 35,501.80-53,252.70-31,808.20

Finding the Fourth Proportional to 35,501.80, 53,252.70 and 31,808.20

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Solution

The fourth proportional to 35,501.80, 53,252.70 and 31,808.20 is: 47,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,501.80 : 53,252.70 = 31,808.20 : x
  2. Step 2: Convert to fraction form
    35,501.80/53,252.70 = 31,808.20/x
  3. Step 3: Cross multiply
    35,501.80x = 53,252.70 × 31,808.20
  4. Step 4: Simplify right side
    35,501.80x = 1,693,872,532.14
  5. Step 5: Solve for x
    x = 1,693,872,532.14/35,501.80
  6. Step 6: Final answer
    x = 47,712.30

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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.