Home / 46,875.80-64,670.10-28,939.68

Finding the Fourth Proportional to 46,875.80, 64,670.10 and 28,939.68

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Solution

The fourth proportional to 46,875.80, 64,670.10 and 28,939.68 is: 39,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,875.80 : 64,670.10 = 28,939.68 : x
  2. Step 2: Convert to fraction form
    46,875.80/64,670.10 = 28,939.68/x
  3. Step 3: Cross multiply
    46,875.80x = 64,670.10 × 28,939.68
  4. Step 4: Simplify right side
    46,875.80x = 1,871,531,999.57
  5. Step 5: Solve for x
    x = 1,871,531,999.57/46,875.80
  6. Step 6: Final answer
    x = 39,925.33

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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.