Home / 30,985.65-46,445.99-15,168.87

Finding the Fourth Proportional to 30,985.65, 46,445.99 and 15,168.87

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Solution

The fourth proportional to 30,985.65, 46,445.99 and 15,168.87 is: 22,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985.65 : 46,445.99 = 15,168.87 : x
  2. Step 2: Convert to fraction form
    30,985.65/46,445.99 = 15,168.87/x
  3. Step 3: Cross multiply
    30,985.65x = 46,445.99 × 15,168.87
  4. Step 4: Simplify right side
    30,985.65x = 704,533,108.49
  5. Step 5: Solve for x
    x = 704,533,108.49/30,985.65
  6. Step 6: Final answer
    x = 22,737.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.