Home / 38,065.81-52,530.09-21,070.07

Finding the Fourth Proportional to 38,065.81, 52,530.09 and 21,070.07

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Solution

The fourth proportional to 38,065.81, 52,530.09 and 21,070.07 is: 29,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.81 : 52,530.09 = 21,070.07 : x
  2. Step 2: Convert to fraction form
    38,065.81/52,530.09 = 21,070.07/x
  3. Step 3: Cross multiply
    38,065.81x = 52,530.09 × 21,070.07
  4. Step 4: Simplify right side
    38,065.81x = 1,106,812,857.41
  5. Step 5: Solve for x
    x = 1,106,812,857.41/38,065.81
  6. Step 6: Final answer
    x = 29,076.30

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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.