Home / 31,312.72-46,970.01-9,125.62

Finding the Fourth Proportional to 31,312.72, 46,970.01 and 9,125.62

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Solution

The fourth proportional to 31,312.72, 46,970.01 and 9,125.62 is: 13,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.72 : 46,970.01 = 9,125.62 : x
  2. Step 2: Convert to fraction form
    31,312.72/46,970.01 = 9,125.62/x
  3. Step 3: Cross multiply
    31,312.72x = 46,970.01 × 9,125.62
  4. Step 4: Simplify right side
    31,312.72x = 428,630,462.66
  5. Step 5: Solve for x
    x = 428,630,462.66/31,312.72
  6. Step 6: Final answer
    x = 13,688.70

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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.