Home / 52,749.40-72,795.03-28,875.67

Finding the Fourth Proportional to 52,749.40, 72,795.03 and 28,875.67

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Solution

The fourth proportional to 52,749.40, 72,795.03 and 28,875.67 is: 39,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.40 : 72,795.03 = 28,875.67 : x
  2. Step 2: Convert to fraction form
    52,749.40/72,795.03 = 28,875.67/x
  3. Step 3: Cross multiply
    52,749.40x = 72,795.03 × 28,875.67
  4. Step 4: Simplify right side
    52,749.40x = 2,102,005,263.92
  5. Step 5: Solve for x
    x = 2,102,005,263.92/52,749.40
  6. Step 6: Final answer
    x = 39,848.89

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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.