Home / 52,438.34-72,362.58-30,636.64

Finding the Fourth Proportional to 52,438.34, 72,362.58 and 30,636.64

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Solution

The fourth proportional to 52,438.34, 72,362.58 and 30,636.64 is: 42,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.34 : 72,362.58 = 30,636.64 : x
  2. Step 2: Convert to fraction form
    52,438.34/72,362.58 = 30,636.64/x
  3. Step 3: Cross multiply
    52,438.34x = 72,362.58 × 30,636.64
  4. Step 4: Simplify right side
    52,438.34x = 2,216,946,288.50
  5. Step 5: Solve for x
    x = 2,216,946,288.50/52,438.34
  6. Step 6: Final answer
    x = 42,277.20

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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.