Home / 70,315.89-97,036.08-38,486.85

Finding the Fourth Proportional to 70,315.89, 97,036.08 and 38,486.85

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Solution

The fourth proportional to 70,315.89, 97,036.08 and 38,486.85 is: 53,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315.89 : 97,036.08 = 38,486.85 : x
  2. Step 2: Convert to fraction form
    70,315.89/97,036.08 = 38,486.85/x
  3. Step 3: Cross multiply
    70,315.89x = 97,036.08 × 38,486.85
  4. Step 4: Simplify right side
    70,315.89x = 3,734,613,055.55
  5. Step 5: Solve for x
    x = 3,734,613,055.55/70,315.89
  6. Step 6: Final answer
    x = 53,111.94

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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.