Home / 70,322.34-97,045.75-38,490.56

Finding the Fourth Proportional to 70,322.34, 97,045.75 and 38,490.56

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Solution

The fourth proportional to 70,322.34, 97,045.75 and 38,490.56 is: 53,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,322.34 : 97,045.75 = 38,490.56 : x
  2. Step 2: Convert to fraction form
    70,322.34/97,045.75 = 38,490.56/x
  3. Step 3: Cross multiply
    70,322.34x = 97,045.75 × 38,490.56
  4. Step 4: Simplify right side
    70,322.34x = 3,735,345,189.93
  5. Step 5: Solve for x
    x = 3,735,345,189.93/70,322.34
  6. Step 6: Final answer
    x = 53,117.47

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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.