Home / 30,946.47-46,419.31-9,886.23

Finding the Fourth Proportional to 30,946.47, 46,419.31 and 9,886.23

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Solution

The fourth proportional to 30,946.47, 46,419.31 and 9,886.23 is: 14,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946.47 : 46,419.31 = 9,886.23 : x
  2. Step 2: Convert to fraction form
    30,946.47/46,419.31 = 9,886.23/x
  3. Step 3: Cross multiply
    30,946.47x = 46,419.31 × 9,886.23
  4. Step 4: Simplify right side
    30,946.47x = 458,911,987.46
  5. Step 5: Solve for x
    x = 458,911,987.46/30,946.47
  6. Step 6: Final answer
    x = 14,829.22

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Double scale
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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.