Home / 42,708.69-64,056.45-14,622.30

Finding the Fourth Proportional to 42,708.69, 64,056.45 and 14,622.30

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Solution

The fourth proportional to 42,708.69, 64,056.45 and 14,622.30 is: 21,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.69 : 64,056.45 = 14,622.30 : x
  2. Step 2: Convert to fraction form
    42,708.69/64,056.45 = 14,622.30/x
  3. Step 3: Cross multiply
    42,708.69x = 64,056.45 × 14,622.30
  4. Step 4: Simplify right side
    42,708.69x = 936,652,628.84
  5. Step 5: Solve for x
    x = 936,652,628.84/42,708.69
  6. Step 6: Final answer
    x = 21,931.20

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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.