Home / 34,528.95-47,649.16-21,100.16

Finding the Fourth Proportional to 34,528.95, 47,649.16 and 21,100.16

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Solution

The fourth proportional to 34,528.95, 47,649.16 and 21,100.16 is: 29,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.95 : 47,649.16 = 21,100.16 : x
  2. Step 2: Convert to fraction form
    34,528.95/47,649.16 = 21,100.16/x
  3. Step 3: Cross multiply
    34,528.95x = 47,649.16 × 21,100.16
  4. Step 4: Simplify right side
    34,528.95x = 1,005,405,045.36
  5. Step 5: Solve for x
    x = 1,005,405,045.36/34,528.95
  6. Step 6: Final answer
    x = 29,117.74

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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.