Home / 53,957.80-74,457.90-30,085.72

Finding the Fourth Proportional to 53,957.80, 74,457.90 and 30,085.72

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Solution

The fourth proportional to 53,957.80, 74,457.90 and 30,085.72 is: 41,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.80 : 74,457.90 = 30,085.72 : x
  2. Step 2: Convert to fraction form
    53,957.80/74,457.90 = 30,085.72/x
  3. Step 3: Cross multiply
    53,957.80x = 74,457.90 × 30,085.72
  4. Step 4: Simplify right side
    53,957.80x = 2,240,119,531.19
  5. Step 5: Solve for x
    x = 2,240,119,531.19/53,957.80
  6. Step 6: Final answer
    x = 41,516.14

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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.