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Finding the Fourth Proportional to 46,703.40, 70,055.10 and 15,538.65

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Solution

The fourth proportional to 46,703.40, 70,055.10 and 15,538.65 is: 23,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,703.40 : 70,055.10 = 15,538.65 : x
  2. Step 2: Convert to fraction form
    46,703.40/70,055.10 = 15,538.65/x
  3. Step 3: Cross multiply
    46,703.40x = 70,055.10 × 15,538.65
  4. Step 4: Simplify right side
    46,703.40x = 1,088,561,679.62
  5. Step 5: Solve for x
    x = 1,088,561,679.62/46,703.40
  6. Step 6: Final answer
    x = 23,307.98

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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.