Home / 34,360.65-47,415.47-20,210.76

Finding the Fourth Proportional to 34,360.65, 47,415.47 and 20,210.76

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Solution

The fourth proportional to 34,360.65, 47,415.47 and 20,210.76 is: 27,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,360.65 : 47,415.47 = 20,210.76 : x
  2. Step 2: Convert to fraction form
    34,360.65/47,415.47 = 20,210.76/x
  3. Step 3: Cross multiply
    34,360.65x = 47,415.47 × 20,210.76
  4. Step 4: Simplify right side
    34,360.65x = 958,302,583.40
  5. Step 5: Solve for x
    x = 958,302,583.40/34,360.65
  6. Step 6: Final answer
    x = 27,889.54

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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.