Home / 35,973.78-53,929.90-13,803.07

Finding the Fourth Proportional to 35,973.78, 53,929.90 and 13,803.07

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Solution

The fourth proportional to 35,973.78, 53,929.90 and 13,803.07 is: 20,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,973.78 : 53,929.90 = 13,803.07 : x
  2. Step 2: Convert to fraction form
    35,973.78/53,929.90 = 13,803.07/x
  3. Step 3: Cross multiply
    35,973.78x = 53,929.90 × 13,803.07
  4. Step 4: Simplify right side
    35,973.78x = 744,397,846.13
  5. Step 5: Solve for x
    x = 744,397,846.13/35,973.78
  6. Step 6: Final answer
    x = 20,692.79

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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.