Home / 30,606.06-42,225.73-19,276.50

Finding the Fourth Proportional to 30,606.06, 42,225.73 and 19,276.50

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Solution

The fourth proportional to 30,606.06, 42,225.73 and 19,276.50 is: 26,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.06 : 42,225.73 = 19,276.50 : x
  2. Step 2: Convert to fraction form
    30,606.06/42,225.73 = 19,276.50/x
  3. Step 3: Cross multiply
    30,606.06x = 42,225.73 × 19,276.50
  4. Step 4: Simplify right side
    30,606.06x = 813,964,284.35
  5. Step 5: Solve for x
    x = 813,964,284.35/30,606.06
  6. Step 6: Final answer
    x = 26,594.87

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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.