Home / 34,312.80-47,347.66-19,206.30

Finding the Fourth Proportional to 34,312.80, 47,347.66 and 19,206.30

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Solution

The fourth proportional to 34,312.80, 47,347.66 and 19,206.30 is: 26,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.80 : 47,347.66 = 19,206.30 : x
  2. Step 2: Convert to fraction form
    34,312.80/47,347.66 = 19,206.30/x
  3. Step 3: Cross multiply
    34,312.80x = 47,347.66 × 19,206.30
  4. Step 4: Simplify right side
    34,312.80x = 909,373,362.26
  5. Step 5: Solve for x
    x = 909,373,362.26/34,312.80
  6. Step 6: Final answer
    x = 26,502.45

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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.