Home / 43,281.45-64,931.58-13,295.79

Finding the Fourth Proportional to 43,281.45, 64,931.58 and 13,295.79

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Solution

The fourth proportional to 43,281.45, 64,931.58 and 13,295.79 is: 19,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281.45 : 64,931.58 = 13,295.79 : x
  2. Step 2: Convert to fraction form
    43,281.45/64,931.58 = 13,295.79/x
  3. Step 3: Cross multiply
    43,281.45x = 64,931.58 × 13,295.79
  4. Step 4: Simplify right side
    43,281.45x = 863,316,652.05
  5. Step 5: Solve for x
    x = 863,316,652.05/43,281.45
  6. Step 6: Final answer
    x = 19,946.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.