Home / 52,971.65-79,457.40-13,528.79

Finding the Fourth Proportional to 52,971.65, 79,457.40 and 13,528.79

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Solution

The fourth proportional to 52,971.65, 79,457.40 and 13,528.79 is: 20,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,971.65 : 79,457.40 = 13,528.79 : x
  2. Step 2: Convert to fraction form
    52,971.65/79,457.40 = 13,528.79/x
  3. Step 3: Cross multiply
    52,971.65x = 79,457.40 × 13,528.79
  4. Step 4: Simplify right side
    52,971.65x = 1,074,962,478.55
  5. Step 5: Solve for x
    x = 1,074,962,478.55/52,971.65
  6. Step 6: Final answer
    x = 20,293.17

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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.