Home / 51,008.09-70,389.75-28,346.49

Finding the Fourth Proportional to 51,008.09, 70,389.75 and 28,346.49

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Solution

The fourth proportional to 51,008.09, 70,389.75 and 28,346.49 is: 39,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.09 : 70,389.75 = 28,346.49 : x
  2. Step 2: Convert to fraction form
    51,008.09/70,389.75 = 28,346.49/x
  3. Step 3: Cross multiply
    51,008.09x = 70,389.75 × 28,346.49
  4. Step 4: Simplify right side
    51,008.09x = 1,995,302,344.48
  5. Step 5: Solve for x
    x = 1,995,302,344.48/51,008.09
  6. Step 6: Final answer
    x = 39,117.37

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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.