Home / 34,070.63-47,019.29-19,931.67

Finding the Fourth Proportional to 34,070.63, 47,019.29 and 19,931.67

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Solution

The fourth proportional to 34,070.63, 47,019.29 and 19,931.67 is: 27,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,070.63 : 47,019.29 = 19,931.67 : x
  2. Step 2: Convert to fraction form
    34,070.63/47,019.29 = 19,931.67/x
  3. Step 3: Cross multiply
    34,070.63x = 47,019.29 × 19,931.67
  4. Step 4: Simplify right side
    34,070.63x = 937,172,872.26
  5. Step 5: Solve for x
    x = 937,172,872.26/34,070.63
  6. Step 6: Final answer
    x = 27,506.77

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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.