Home / 46,681.10-64,399.07-28,769.57

Finding the Fourth Proportional to 46,681.10, 64,399.07 and 28,769.57

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Solution

The fourth proportional to 46,681.10, 64,399.07 and 28,769.57 is: 39,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,681.10 : 64,399.07 = 28,769.57 : x
  2. Step 2: Convert to fraction form
    46,681.10/64,399.07 = 28,769.57/x
  3. Step 3: Cross multiply
    46,681.10x = 64,399.07 × 28,769.57
  4. Step 4: Simplify right side
    46,681.10x = 1,852,733,302.23
  5. Step 5: Solve for x
    x = 1,852,733,302.23/46,681.10
  6. Step 6: Final answer
    x = 39,689.16

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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.