Home / 30,973.17-42,741.77-17,545.17

Finding the Fourth Proportional to 30,973.17, 42,741.77 and 17,545.17

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Solution

The fourth proportional to 30,973.17, 42,741.77 and 17,545.17 is: 24,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.17 : 42,741.77 = 17,545.17 : x
  2. Step 2: Convert to fraction form
    30,973.17/42,741.77 = 17,545.17/x
  3. Step 3: Cross multiply
    30,973.17x = 42,741.77 × 17,545.17
  4. Step 4: Simplify right side
    30,973.17x = 749,911,533.03
  5. Step 5: Solve for x
    x = 749,911,533.03/30,973.17
  6. Step 6: Final answer
    x = 24,211.65

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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.