Home / 30,957.09-46,435.63-12,476.13

Finding the Fourth Proportional to 30,957.09, 46,435.63 and 12,476.13

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Solution

The fourth proportional to 30,957.09, 46,435.63 and 12,476.13 is: 18,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.09 : 46,435.63 = 12,476.13 : x
  2. Step 2: Convert to fraction form
    30,957.09/46,435.63 = 12,476.13/x
  3. Step 3: Cross multiply
    30,957.09x = 46,435.63 × 12,476.13
  4. Step 4: Simplify right side
    30,957.09x = 579,336,956.51
  5. Step 5: Solve for x
    x = 579,336,956.51/30,957.09
  6. Step 6: Final answer
    x = 18,714.19

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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.