Home / 30,826.99-42,537.98-17,903.74

Finding the Fourth Proportional to 30,826.99, 42,537.98 and 17,903.74

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Solution

The fourth proportional to 30,826.99, 42,537.98 and 17,903.74 is: 24,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.99 : 42,537.98 = 17,903.74 : x
  2. Step 2: Convert to fraction form
    30,826.99/42,537.98 = 17,903.74/x
  3. Step 3: Cross multiply
    30,826.99x = 42,537.98 × 17,903.74
  4. Step 4: Simplify right side
    30,826.99x = 761,588,721.36
  5. Step 5: Solve for x
    x = 761,588,721.36/30,826.99
  6. Step 6: Final answer
    x = 24,705.26

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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.