Home / 39,526.72-54,547.70-21,622.88

Finding the Fourth Proportional to 39,526.72, 54,547.70 and 21,622.88

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Solution

The fourth proportional to 39,526.72, 54,547.70 and 21,622.88 is: 29,840.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,526.72 : 54,547.70 = 21,622.88 : x
  2. Step 2: Convert to fraction form
    39,526.72/54,547.70 = 21,622.88/x
  3. Step 3: Cross multiply
    39,526.72x = 54,547.70 × 21,622.88
  4. Step 4: Simplify right side
    39,526.72x = 1,179,478,399.63
  5. Step 5: Solve for x
    x = 1,179,478,399.63/39,526.72
  6. Step 6: Final answer
    x = 29,840.03

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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.