Home / 39,064.42-53,908.95-21,159.58

Finding the Fourth Proportional to 39,064.42, 53,908.95 and 21,159.58

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Solution

The fourth proportional to 39,064.42, 53,908.95 and 21,159.58 is: 29,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.42 : 53,908.95 = 21,159.58 : x
  2. Step 2: Convert to fraction form
    39,064.42/53,908.95 = 21,159.58/x
  3. Step 3: Cross multiply
    39,064.42x = 53,908.95 × 21,159.58
  4. Step 4: Simplify right side
    39,064.42x = 1,140,690,740.24
  5. Step 5: Solve for x
    x = 1,140,690,740.24/39,064.42
  6. Step 6: Final answer
    x = 29,200.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.