Home / 46,909.80-70,368.35-13,630.34

Finding the Fourth Proportional to 46,909.80, 70,368.35 and 13,630.34

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Solution

The fourth proportional to 46,909.80, 70,368.35 and 13,630.34 is: 20,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,909.80 : 70,368.35 = 13,630.34 : x
  2. Step 2: Convert to fraction form
    46,909.80/70,368.35 = 13,630.34/x
  3. Step 3: Cross multiply
    46,909.80x = 70,368.35 × 13,630.34
  4. Step 4: Simplify right side
    46,909.80x = 959,144,643.51
  5. Step 5: Solve for x
    x = 959,144,643.51/46,909.80
  6. Step 6: Final answer
    x = 20,446.57

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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.