Home / 46,656.09-64,386.63-28,762.92

Finding the Fourth Proportional to 46,656.09, 64,386.63 and 28,762.92

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Solution

The fourth proportional to 46,656.09, 64,386.63 and 28,762.92 is: 39,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656.09 : 64,386.63 = 28,762.92 : x
  2. Step 2: Convert to fraction form
    46,656.09/64,386.63 = 28,762.92/x
  3. Step 3: Cross multiply
    46,656.09x = 64,386.63 × 28,762.92
  4. Step 4: Simplify right side
    46,656.09x = 1,851,947,487.76
  5. Step 5: Solve for x
    x = 1,851,947,487.76/46,656.09
  6. Step 6: Final answer
    x = 39,693.59

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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.