Home / 70,477.08-97,258.50-38,645.76

Finding the Fourth Proportional to 70,477.08, 97,258.50 and 38,645.76

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Solution

The fourth proportional to 70,477.08, 97,258.50 and 38,645.76 is: 53,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,477.08 : 97,258.50 = 38,645.76 : x
  2. Step 2: Convert to fraction form
    70,477.08/97,258.50 = 38,645.76/x
  3. Step 3: Cross multiply
    70,477.08x = 97,258.50 × 38,645.76
  4. Step 4: Simplify right side
    70,477.08x = 3,758,628,648.96
  5. Step 5: Solve for x
    x = 3,758,628,648.96/70,477.08
  6. Step 6: Final answer
    x = 53,331.22

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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.