Home / 35,477.32-53,223.18-13,290.28

Finding the Fourth Proportional to 35,477.32, 53,223.18 and 13,290.28

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Solution

The fourth proportional to 35,477.32, 53,223.18 and 13,290.28 is: 19,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.32 : 53,223.18 = 13,290.28 : x
  2. Step 2: Convert to fraction form
    35,477.32/53,223.18 = 13,290.28/x
  3. Step 3: Cross multiply
    35,477.32x = 53,223.18 × 13,290.28
  4. Step 4: Simplify right side
    35,477.32x = 707,350,964.69
  5. Step 5: Solve for x
    x = 707,350,964.69/35,477.32
  6. Step 6: Final answer
    x = 19,938.12

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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.