Home / 70,417.89-97,178.93-38,588.73

Finding the Fourth Proportional to 70,417.89, 97,178.93 and 38,588.73

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Solution

The fourth proportional to 70,417.89, 97,178.93 and 38,588.73 is: 53,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417.89 : 97,178.93 = 38,588.73 : x
  2. Step 2: Convert to fraction form
    70,417.89/97,178.93 = 38,588.73/x
  3. Step 3: Cross multiply
    70,417.89x = 97,178.93 × 38,588.73
  4. Step 4: Simplify right side
    70,417.89x = 3,750,011,298.52
  5. Step 5: Solve for x
    x = 3,750,011,298.52/70,417.89
  6. Step 6: Final answer
    x = 53,253.67

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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.