Home / 53,312.51-79,964.12-21,725.89

Finding the Fourth Proportional to 53,312.51, 79,964.12 and 21,725.89

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Solution

The fourth proportional to 53,312.51, 79,964.12 and 21,725.89 is: 32,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312.51 : 79,964.12 = 21,725.89 : x
  2. Step 2: Convert to fraction form
    53,312.51/79,964.12 = 21,725.89/x
  3. Step 3: Cross multiply
    53,312.51x = 79,964.12 × 21,725.89
  4. Step 4: Simplify right side
    53,312.51x = 1,737,291,529.47
  5. Step 5: Solve for x
    x = 1,737,291,529.47/53,312.51
  6. Step 6: Final answer
    x = 32,586.94

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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.