Home / 34,421.82-47,502.14-19,312.40

Finding the Fourth Proportional to 34,421.82, 47,502.14 and 19,312.40

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Solution

The fourth proportional to 34,421.82, 47,502.14 and 19,312.40 is: 26,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.82 : 47,502.14 = 19,312.40 : x
  2. Step 2: Convert to fraction form
    34,421.82/47,502.14 = 19,312.40/x
  3. Step 3: Cross multiply
    34,421.82x = 47,502.14 × 19,312.40
  4. Step 4: Simplify right side
    34,421.82x = 917,379,994.46
  5. Step 5: Solve for x
    x = 917,379,994.46/34,421.82
  6. Step 6: Final answer
    x = 26,651.12

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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.